iOS开发——网络编程Swift篇&（三）同步Get方式

 1      // MARK: - 同步Get方式
 2     func synchronousGet()
 3     {
 4         //创建NSURL对象
 5         var url:NSURL! = NSURL(string: "http://m.weather.com.cn/data/101010100.html")
 6         
 7         //创建请求对象
 8         var urlRequest : NSURLRequest = NSURLRequest(URL: url, cachePolicy: NSURLRequestCachePolicy.UseProtocolCachePolicy, timeoutInterval: 10)
 9         
10         //响应对象
11         var response:NSURLResponse?
12         
13         //错误对象
14         var error:NSError?
15         
16         //发出请求
17         var data:NSData? = NSURLConnection.sendSynchronousRequest(urlRequest, returningResponse: &response, error: &error)
18         
19         if (error != nil)
20         {
21             println(error?.code)
22             println(error?.description)
23         }else
24         {
25             var jsonString = NSString(data: data!, encoding: NSUTF8StringEncoding)
26             
27             println(jsonString)
28         }
29 
30     }